How severe is CVE-2023-49773?

CVE-2023-49773 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-49773 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-49773?

CVE-2023-49773 affects Bcorp Shortcodes Project Bcorp Shortcodes. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-49773?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2023-49773 published?

CVE-2023-49773 was published on 2023-12-20 and last updated on 2026-06-17.

CVE-2023-49773

CVE-2023-49773 is a critical-severity vulnerability in Bcorp Shortcodes Project Bcorp Shortcodes with a CVSS 3.x base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-502.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Bcorp Shortcodes Project Bcorp Shortcodes
Published: 2023-12-20
Last modified: 2026-06-17

Description

Deserialization of Untrusted Data vulnerability in Tim Brattberg BCorp Shortcodes.This issue affects BCorp Shortcodes: from n/a through 0.23.

Frequently asked questions

What is CVE-2023-49773?: Deserialization of Untrusted Data vulnerability in Tim Brattberg BCorp Shortcodes.This issue affects BCorp Shortcodes: from n/a through 0.23.
How severe is CVE-2023-49773?: CVE-2023-49773 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-49773 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-49773?: CVE-2023-49773 affects Bcorp Shortcodes Project Bcorp Shortcodes. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-49773?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-49773 published?: CVE-2023-49773 was published on 2023-12-20 and last updated on 2026-06-17.

References

https://patchstack.com/database/vulnerability/bcorp-shortcodes/wordpress-bcorp-shortcodes-plugin-0-23-unauthenticated-php-object-injection-vulnerability?_s_id=cve

Affected products (1)

cpe:2.3:a:bcorp_shortcodes_project:bcorp_shortcodes:*:*:*:*:*:wordpress:*:*

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